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人気のある Word Problems >

the sum of 2 more than 6 times a number and 7 times that number is that number decreased by 39

解

t h e s u m o f 2 m ore t han 6 t im es a n u mb er an d 7 t im es t ha t n u mb er i s t ha t n u mb er d ecre a se d b y 39

解

The number : - 3 \frac{5}{12}

解答ステップ

Represent the number with

x

A.T.Q.:

2 + 6 x + 7 x = x - 39

x

を解く

2 + 6 x + 7 x = x - 39 : x = - \frac{41}{12}

仮分数を帯分数に変換する:

\frac{41}{12} = 3 \frac{5}{12}

The number : - 3 \frac{5}{12}

人気の例

A bank features a savings account that has an annual percentage rate of 3.5 % with interest compounded quarterly. Amber deposits 10,000 into the account.How much money will Amber have in the account in 1 year?the sum of 16 and 4 times a number is 4 less than nine times a number If you want to buy an item in a store that costs 36.50 and is on sale for 40% off, then how much would the item actually cost you after the discount? Round to the nearest cent.The sum of three numbers is 12 . The third is 6 more than 8 times the second. 7 times the first is 8 less tha 6 times the second. Find the numbers. Show your work here savings account is set up, so that the simple interest earned on the investment is moved into separate account at the end of each year. If an investment of $7000 accumulate $910 of interest in the account after 2 years, what was the annual simple interest rate on the savings account?